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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-8

  • question_answer
    The presence of Cobalt in Vitamin \[{{B}_{12}}\] was established for the first time by

    A)  Hydrolysis test  

    B)  Spectroscopy

    C)  Borax-Bead test

    D)  Sodium Nitroprusside test

    Correct Answer: B

    Solution :

     Atomic absorption spectroscopy is an analytical chemistry technique used for determining oncentration of particular met- al element and is widely used in pharmaceutics. It was used for the determination of cobalt in Vitamin B12.


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